A businessman brought his beautiful secretary back to his house for sex.
"Don't worry," he assured her, "my wife is out of town, so there's no risk."
As one thing led to another, she reached into her purse and suddenly gasped, "Oh no! I forgot to bring birth control!"
"It's fine," he smiled, "I'll get my wife's diaphragm."
After a few minutes of searching, he returned to the bedroom in a fury.
"That woman!" he exclaimed, "She took it with her! I always knew that she didn't trust me!"